Home / 261,827.36-361,319.44-159,831.36

Finding the Fourth Proportional to 261,827.36, 361,319.44 and 159,831.36

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Solution

The fourth proportional to 261,827.36, 361,319.44 and 159,831.36 is: 220,565.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,827.36 : 361,319.44 = 159,831.36 : x
  2. Step 2: Convert to fraction form
    261,827.36/361,319.44 = 159,831.36/x
  3. Step 3: Cross multiply
    261,827.36x = 361,319.44 × 159,831.36
  4. Step 4: Simplify right side
    261,827.36x = 57,750,177,489.64
  5. Step 5: Solve for x
    x = 57,750,177,489.64/261,827.36
  6. Step 6: Final answer
    x = 220,565.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.